Outline effect has been fixed to be not front cropped.
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / layouts / layout-engine.cpp
index 12f20e4..ccd42ae 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -198,7 +198,7 @@ struct Engine::Impl
     LineLayout tmpLineLayout;
 
     const bool isMultiline = mLayout == MULTI_LINE_BOX;
-    const bool isWordLaidOut = parameters.lineWrapMode == Layout::LineWrap::WORD;
+    const bool isWordLaidOut = parameters.lineWrapMode == Text::LineWrap::WORD;
 
     // The last glyph to be laid-out.
     const GlyphIndex lastGlyphOfParagraphPlusOne = parameters.startGlyphIndex + parameters.numberOfGlyphs;
@@ -470,6 +470,7 @@ struct Engine::Impl
 
   void SetGlyphPositions( const GlyphInfo* const glyphsBuffer,
                           Length numberOfGlyphs,
+                          float outlineWidth,
                           Vector2* glyphPositionsBuffer )
   {
     // Traverse the glyphs and set the positions.
@@ -479,7 +480,8 @@ struct Engine::Impl
     // so the penX position needs to be moved to the right.
 
     const GlyphInfo& glyph = *glyphsBuffer;
-    float penX = ( 0.f > glyph.xBearing ) ? -glyph.xBearing : 0.f;
+    float penX = ( 0.f > glyph.xBearing ) ? -glyph.xBearing + outlineWidth : outlineWidth;
+
 
     for( GlyphIndex i = 0u; i < numberOfGlyphs; ++i )
     {
@@ -604,6 +606,7 @@ struct Engine::Impl
 
       SetGlyphPositions( layoutParameters.glyphsBuffer + lineRun->glyphRun.glyphIndex,
                          ellipsisLayout.numberOfGlyphs,
+                         layoutParameters.outlineWidth,
                          glyphPositionsBuffer + lineRun->glyphRun.glyphIndex - layoutParameters.startGlyphIndex );
     }
 
@@ -963,6 +966,7 @@ struct Engine::Impl
         // Sets the positions of the glyphs.
         SetGlyphPositions( layoutParameters.glyphsBuffer + index,
                            layout.numberOfGlyphs,
+                           layoutParameters.outlineWidth,
                            glyphPositionsBuffer + index - layoutParameters.startGlyphIndex );
 
         // Updates the vertical pen's position.
@@ -1043,7 +1047,7 @@ struct Engine::Impl
       const CharacterIndex characterVisualIndex = bidiLine.characterRun.characterIndex + *bidiLine.visualToLogicalMap;
       const GlyphInfo& glyph = *( layoutParameters.glyphsBuffer + *( layoutParameters.charactersToGlyphsBuffer + characterVisualIndex ) );
 
-      float penX = ( 0.f > glyph.xBearing ) ? -glyph.xBearing : 0.f;
+      float penX = ( 0.f > glyph.xBearing ) ? -glyph.xBearing - layoutParameters.outlineWidth : -layoutParameters.outlineWidth;
 
       Vector2* glyphPositionsBuffer = glyphPositions.Begin();
 
@@ -1078,7 +1082,7 @@ struct Engine::Impl
   void Align( const Size& size,
               CharacterIndex startIndex,
               Length numberOfCharacters,
-              HorizontalAlignment horizontalAlignment,
+              Text::HorizontalAlignment::Type horizontalAlignment,
               Vector<LineRun>& lines,
               float& alignmentOffset )
   {
@@ -1116,32 +1120,32 @@ struct Engine::Impl
   }
 
   void CalculateHorizontalAlignment( float boxWidth,
-                                     HorizontalAlignment horizontalAlignment,
+                                     HorizontalAlignment::Type horizontalAlignment,
                                      LineRun& line )
   {
     line.alignmentOffset = 0.f;
     const bool isRTL = RTL == line.direction;
     float lineLength = line.width;
 
-    HorizontalAlignment alignment = horizontalAlignment;
+    HorizontalAlignment::Type alignment = horizontalAlignment;
     if( isRTL )
     {
       // Swap the alignment type if the line is right to left.
       switch( alignment )
       {
-        case HORIZONTAL_ALIGN_BEGIN:
+        case HorizontalAlignment::BEGIN:
         {
-          alignment = HORIZONTAL_ALIGN_END;
+          alignment = HorizontalAlignment::END;
           break;
         }
-        case HORIZONTAL_ALIGN_CENTER:
+        case HorizontalAlignment::CENTER:
         {
           // Nothing to do.
           break;
         }
-        case HORIZONTAL_ALIGN_END:
+        case HorizontalAlignment::END:
         {
-          alignment = HORIZONTAL_ALIGN_BEGIN;
+          alignment = HorizontalAlignment::BEGIN;
           break;
         }
       }
@@ -1150,7 +1154,7 @@ struct Engine::Impl
     // Calculate the horizontal line offset.
     switch( alignment )
     {
-      case HORIZONTAL_ALIGN_BEGIN:
+      case HorizontalAlignment::BEGIN:
       {
         line.alignmentOffset = 0.f;
 
@@ -1161,7 +1165,7 @@ struct Engine::Impl
         }
         break;
       }
-      case HORIZONTAL_ALIGN_CENTER:
+      case HorizontalAlignment::CENTER:
       {
         line.alignmentOffset = 0.5f * ( boxWidth - lineLength );
 
@@ -1173,7 +1177,7 @@ struct Engine::Impl
         line.alignmentOffset = floorf( line.alignmentOffset ); // try to avoid pixel alignment.
         break;
       }
-      case HORIZONTAL_ALIGN_END:
+      case HorizontalAlignment::END:
       {
         if( isRTL )
         {
@@ -1272,7 +1276,7 @@ void Engine::ReLayoutRightToLeftLines( const Parameters& layoutParameters,
 void Engine::Align( const Size& size,
                     CharacterIndex startIndex,
                     Length numberOfCharacters,
-                    Layout::HorizontalAlignment horizontalAlignment,
+                    Text::HorizontalAlignment::Type horizontalAlignment,
                     Vector<LineRun>& lines,
                     float& alignmentOffset )
 {